On 11/16/10 10:45 AM, Paul Houle wrote:
> Ookaboo has recently grown to contain about 480,000 pictures of
> 265,000 topics, we're adding 8,000 images a day so if you don't find
> what you're looking for today, just wait a few months. People and
> places are particularly well represented, but you'll also find
> "miscelaneous" things like
>
> http://ookaboo.com/o/pictures/topic/12461285/Fingerpaint
>
> We've just done a major upgrade of our RDFa output at Ookaboo. For
> one thing, we've clarified the relationship between a page
>
> http://ookaboo.com/o/pictures/topic/2021903/Central_Air_Force_Museum
>
> and the thing that a page describes
>
> http://ookaboo.com/o/pictures/topic/2021903/Central_Air_Force_Museum#it
>
> We can then say,
>
> <ookaboo:topic/2021903/Central_Air_Force_Museum> <sioc:topic>
> <ookaboo:topic/2021903/Central_Air_Force_Museum#it> .
>
> Generally, we make SIOC assertion about web pages and other sorts of
> assertions about #it topics. The primary FOAF assertion we're making
> right now is<foaf:depitcts>, but we're planning to make as many FOAF
> assertions as possible about #it topics, particularly about people.
> The other class of page that is heavily marked up now is the
> individual page.
>
> http://ookaboo.com/o/pictures/picture/2022007/Kamov_Ka25_Hormon
>
> Our strategy for dealing with multiple subject terminologies is to
> what we call a reference set, which in this case is
>
> http://ookaboo.com/o/pictures/topic/2021903/Central_Air_Force_Museum#it
> http://dbpedia.org/resource/Central_Air_Force_Museum
> http://rdf.freebase.com/ns/m.0g_2bv
>
> If we want to assert foaf:depicts we assert foaf:depicts against all
> of these. The idea is that not all clients are going to have the
> inferencing capabilities that I wish they'd have, so I'm trying to
> assert terms in the most "core" databases of the LOD cloud.
>
> In a case like this we may have YAGO, OpenCyc, UMBEL and other terms
> available. Relationships like this are expressed as
>
> <:Whatever> <ontology2:aka>
> <http://mpii.de/yago/resource/Central_Air_Force_Museum> .
>
> <ontology2:aka>, not dereferencable yet, means (roughly) that "some
> people use term X to refer to substantially the same thing as term Y."
> It's my own answer to the<owl:sameAs> problem and deliberately
> leaves the exact semantics to the reader. (It's a lossy expression of
> the data structures that I use for entity management)
>
> Any thoughts or suggestions about what I should be doing differently or better?
>
>
Very nice!
Using it for some finishing touches we're making re. PivotViewer and
Linked Data integration :-)
--
Regards,
Kingsley Idehen
President& CEO
OpenLink Software
Web: http://www.openlinksw.com
Weblog: http://www.openlinksw.com/blog/~kidehen
Twitter/Identi.ca: kidehen